[python, ds, jupyter]: Migrate Python support to V2

Layout:

  JPS modules
  `intellij.python.community`
  `intellij.python.community.impl`
  `intellij.python.parser`
  `intellij.python.psi`
  `intellij.python.psi.impl`
  `intellij.python.ast`
  use package `com.jetbrains.python`
  and go to `intellij.python.community.impl` v2 module

  JPS module
  `intellij.python`
  uses package `com.intellij.python.pro`
  and goes to `intellij.python/pro` v2 module

  Both v2 modules (along with lots of others) come with
  `PythonId` (prof) or `PythonCore` (community) plugins

  DS bundles  `intellij.python.community.impl`

  Idea and other Mini IDEs get `PythonCore` or `PythonId` plugin that bundle modules for Idea and mini IDEs

GitOrigin-RevId: 98f418c52d90d51b9adf3250c561f2c36c767e2d

python/python-features-trainer/resources/intellij.python.featuresTrainer.xml

@@ -1,6 +1,7 @@
 <idea-plugin package="com.intellij.python.featuresTrainer">
   <dependencies>
     <plugin id="training"/>
+    <module name="intellij.python.community.impl"/>
   </dependencies>
   <extensions defaultExtensionNs="training">
     <ift.language.extension language="Python" defaultProductName="PyCharm"